World wastewater treatment plant observatory · data as reported by each inventory

Wastewater treatment plants in Canada

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2,046 inventory records · HydroWASTE v1.0 / Canada

Data years: 2017. The inventory date does not establish current operation.

2,046 results

CompareNameNative sizeYear
Fort Vermilion Water and Wastewater OperationsHW:49012878 population served2017
LagoonHW:49232875 population served2017
Falconbridge WWTPHW:48236871 population served2017
Lakeside EstatesHW:48328869 population served2017
Lagoon FacultativeHW:48639864 population served2017
LakeviewHW:48940860 population served2017
La Crete Water and Wastewater OperationsHW:49011855 population served2017
Burk s Falls Wastewater Treatment LagoonHW:47906849 population served2017
Westend Regional Sewage FacilityHW:48398848 population served2017
Canso Wastewater Treatment FacilityHW:49202848 population served2017
Western Shore Wastewater PlantHW:48213846 population served2017
Bay Roberts Wastewater System 2HW:49369846 population served2017
PR REGION Stony Mountain_Rockwood Institution Wastewater Treatment SystemHW:47856845 population served2017
usine de traitementHW:48879844 population served2017
Roddickton OutfallHW:49497844 population served2017
Cookstown WWTPHW:48088841 population served2017
PR REGION Bowden Institution Wastewater Treatment SystemHW:47855836 population served2017
North Aerated LagoonsHW:49244835 population served2017
Bayfield Wastewater LagoonsHW:48125831 population served2017
etangs aeres AcadieHW:48294831 population served2017
Blyth STPHW:47846826 population served2017
Sherkston Shores WWTPHW:48031820 population served2017
Cardiff Sewage LagoonHW:48227820 population served2017
Creemore Waste Water Treatment PlantHW:48575817 population served2017
SAINT ALEXANDREHW:48787815 population served2017
Town of WembleyHW:48042813 population served2017
Wendover Wastewater Treatment PlantHW:48188812 population served2017
Bruce Mines Lagoon and Collection SystemHW:47905810 population served2017
Lagoon Aerated MechanicalHW:48578810 population served2017
DOAKTOWN WASTEWATER TREATMENT PLANTHW:48647810 population served2017
Lagune de Saint FrancoisHW:48559806 population served2017
STATION D ePURATION PETIT MATANEHW:48673806 population served2017
Matheson Wastewater Treatment Plant and Collection SystemHW:47953805 population served2017
Station d epurationHW:49197805 population served2017
Watson Wastewater LagoonsHW:49345805 population served2017
Duchess Wastewater SystemHW:49038797 population served2017
McLeod Sewage Treatment PlantHW:47979793 population served2017
usine epuration St Charles sur RichelieuHW:48928793 population served2017
Usine d epuration des eaux useesHW:49182793 population served2017
Port Hood Wastewater Treatment FacilityHW:49529793 population served2017
Municipalite de Beaulac Garthby station d epurationHW:48890786 population served2017
Pemberton Wastewater Treatment PlantHW:47884784 population served2017
Red Rock Wastewater PlantHW:48956782 population served2017
CARONPORT WASTEWATERHW:48520780 population served2017
Usine d epurationHW:48804780 population served2017
etang aeres secteur villageHW:48936780 population served2017
station epurationHW:49028780 population served2017
Montrose Wastewater Treatment PlantHW:49377780 population served2017
RM Of Rockwood Stony MtnHW:49437780 population served2017
Basin AHW:49563780 population served2017
etangs aerees Shipshaw SudHW:48421779 population served2017
Waste water treatment plantHW:48958779 population served2017
Sunderland WPCP LagoonHW:48150777 population served2017
Bridgewater Wastewater Treatment PlantHW:48160777 population served2017
Barrington Sewer Treatment FacilityHW:48977777 population served2017
degrilleur cale secheHW:48718776 population served2017
Sequencing Batch ReactorHW:48603775 population served2017
ETANGS SMTHW:48524772 population served2017
Ste Agathe Lagoon FacilityHW:49078771 population served2017
Wastewater Treatment PlantHW:49588768 population served2017
Shoal Lake LagoonHW:49391766 population served2017
Crocker s Cove OutfallHW:49113762 population served2017
Thorhild LagoonHW:49680759 population served2017
etangs Aeres parc de l erabliereHW:47869757 population served2017
Ear Falls Wastewater Treatment Plant and Collection SystemHW:47971757 population served2017
Eaux useesHW:48846757 population served2017
Milford Wastewater Treatment PlantHW:48540754 population served2017
Thorsby LagoonHW:49574752 population served2017
Public Works sanitationsHW:48832751 population served2017
lagoonHW:49165751 population served2017
M Chigeeng VillageHW:48941750 population served2017
etangs GranadaHW:48439744 population served2017
Municipalite de Ste Angele de MericiHW:48778744 population served2017
Town of Eckville LagoonHW:48535742 population served2017
Healeys OutfallHW:49698742 population served2017
Dutton Sewage Treatment PlantHW:48957739 population served2017
Village de Baker BrookHW:48067738 population served2017
Station epuration Lac DroletHW:48349737 population served2017
Carman LagoonHW:48756737 population served2017
LagoonHW:49364737 population served2017
Collingwood WWTPHW:48040735 population served2017
Cobalt WetlandsHW:48403735 population served2017
ETANG AeReS DE tINGWICKHW:48871731 population served2017
Fisher Branch LagoonHW:49660731 population served2017
ATL REGION Dorchester Institution Wastewater Treatment SystemHW:47848730 population served2017
Eastern Point OutfallHW:49258727 population served2017
Roberts Arm OutfallHW:49543727 population served2017
North Cobalt Wastewater LagoonHW:47949724 population served2017
North LagoonsHW:48096723 population served2017
station epuration de BearnHW:48961720 population served2017
Debert Sewage Treatment PlantHW:49470720 population served2017
Village St Louis de KentHW:48430717 population served2017
Dorchester WWTPHW:48156715 population served2017
Nobleton WPCPHW:48365715 population served2017
LagoonHW:49558714 population served2017
Port Hardy Wastewater Treatment Plant AirportHW:48242713 population served2017
Petit De Grat Sewage Treatment PlantHW:49042713 population served2017
Buchans OutfallHW:49488713 population served2017
Donkin Sewer Shed D1HW:49251711 population served2017
Louis Bull sewage lagoonHW:49213708 population served2017

Regulatory context

General reference. This is not an exhaustive review of applicable law.

Canada: Wastewater Systems Effluent Regulations

Section 2 defines the federal regulation's scope, with flow conditions and territorial and facility-type exceptions. Inventory population served cannot establish those conditions.

  • Daily influent volume, wastewater type and administrative location.
  • Exceptions and provincial requirements; facility authorization and limits.

References reviewed: 2026-11-06. Individual applicability: undetermined. This profile does not establish authorization or compliance.